diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -18,3 +18,27 @@ AES-256 is state of the art but brute-force/dictionary attacks would be trivial
 
 The concept is simple but this is a side project - not purporting to be bulletproof, feel free to contribute or report any thought to the GitHub project !
 
+## CLI
+
+Staticrypt is available through npm as a CLI, install with `npm install -g staticrypt` and use as follow:
+
+    Usage: staticrypt <input> <password> [options]
+    
+    Options:
+      --help              Show help                                        [boolean]
+      --version           Show version number                              [boolean]
+      -e, --embed         Whether or not to embed crypto-js in the page (or use an
+                          external CDN)                   [boolean] [default: false]
+      -o, --output        File name / path for generated encrypted file
+                                                            [string] [default: null]
+      -t, --title         Title for output HTML page
+                                                [string] [default: "Protected Page"]
+      -i, --instructions  Special instructions to display to the user.
+                                                            [string] [default: null]
+                                                            
+Example usages:
+
+- `staticrypt test.html mysecretpassword` -> creates a `test_encrypted.html` file
+- `find . -type f -name "*.html" -exec staticrypt {} mypassword \;` -> create encrypted files for all HTML files in your directory
+
+Thanks [Aaron Coplan](https://github.com/AaronCoplan) for bringing the CLI to life !
diff --git a/cli/README.md b/cli/README.md
new file mode 100644
index 0000000..fa171b7
--- /dev/null
+++ b/cli/README.md
@@ -0,0 +1,42 @@
+# StatiCrypt
+
+Based on the [crypto-js](https://github.com/brix/crypto-js) library, StatiCrypt uses AES-256 to encrypt your input with your passphrase and put it in a HTML file with a password prompt that can decrypted in-browser (client side).
+
+You can then upload your static html file anywhere and it'll be password protected (see [how it looks](https://robinmoisson.github.io/staticrypt/example.html)).
+
+Obviously, pick a lengthy passphrase !
+
+## HOW IT WORKS
+
+StatiCrypt generates a static, password protected page that can be decrypted in-browser: just send or upload the generated page to a place serving static content (github pages, for example) and you're done: the javascript will prompt users for password, decrypt the page and load your HTML.
+
+StatiCrypt basically encrypts your page and puts everything with a user-friendly way to use a password in the new file. 
+
+AES-256 is state of the art but brute-force/dictionary attacks would be trivial to do at a really fast pace: **use a long, unusual passphrase!**
+
+The concept is simple but this is a side project - if you have extra sensitive banking data you might want to use something else :) 
+
+Feel free to contribute or report any thought to the [GitHub project](https://robinmoisson.github.io/staticrypt) !
+
+## USAGE
+
+Staticrypt is available through npm as a CLI, install with `npm install -g staticrypt` and use as follow:
+
+    Usage: staticrypt <input file> <password> [options]
+    
+    Options:
+      --help              Show help                                        [boolean]
+      --version           Show version number                              [boolean]
+      -e, --embed         Whether or not to embed crypto-js in the page (or use an
+                          external CDN)                   [boolean] [default: false]
+      -o, --output        File name / path for generated encrypted file
+                                                            [string] [default: null]
+      -t, --title         Title for output HTML page
+                                                [string] [default: "Protected Page"]
+      -i, --instructions  Special instructions to display to the user.
+                                                            [string] [default: null]
+                                                            
+Example usages:
+
+- `staticrypt test.html mypassword` -> creates a `test_encrypted.html` file
+- `find . -type f -name "*.html" -exec staticrypt {} mypassword \;` -> create encrypted files for all HTML files in your directory (recursively)